we found out that two brothers, tamerlan tsarnaev and his younger brother... ( laughter ) a little help. >> zo-car sa-my-ev. >> ja-har zar-nye-eff. >> joe-car sar-nev. >> joe-hay sar-nay-off. ( laughter ) >> stephen: i'm going to go with white hat guy. ( laughter ) these brackets killed a young policeman, carjacked an s.u.v., ending with a high-speed chase and a firefight in which tamerlan was mortally wounded, ending his life as all islamic terrorists dream-- at beth israel hospital. ( laughter ) ( applause ) meanwhile-- meanwhile, white hat guy fled the scene so authorities start a massive manhunt, ordering the entire city of boston to shelter-in-place. marking the first time an american city has been completely shut down if you don't count detroit. ( laughter ) it is-- it is unprecedented, folks. cnn's susan candiotti 7, i think, capturedly the feeling best. >> the streets are empty. it's ear. it's as though a bomb had dropped somewhere. ( laughter ) >> stephen: well said. that's cnn susan candiotti reporting live from no-(bleep)ylvania. ( laughter ) ( applause ) they finally caught